Researchers recently determined which U.S. states have the worst-behaved drivers, and the results may surprise you.

Forbes Advisor published their findings last month, analyzing 19 "bad" driving behaviors to determine how common they were in certain states.

The behaviors included running a red light, eating while driving and texting behind the wheel. Other behaviors were changing lanes without signaling, cutting other drivers off and "honking/cursing/gesturing at another driver in anger."

The study also considered drivers who caused accidents, reported speeding in a school zone and drove under the influence of alcohol or drugs.

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The survey was conducted with the help of market research company Talker Research, and researchers collected data from June 24 to July 3. Five thousand Americans were surveyed for the study.

Each participant was at least 18 years old and had a driver's license, and the study's margin of error is ± 1.4 points with 95% confidence.

Here is the ranking from best-behaved to worst-behaved drivers:

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The Aloha State was found to have the worst-behaved drivers, according to the study. A whopping 20% of Hawaiian respondents admitted to changing lanes or turning without signaling. 13% of those surveyed also admitted to speeding 20 miles per hour or more over the speed limit.

"To make matters worse, nearly half (47%) of drivers in Hawaii admitted speeding—less than 10 mph over the limit—in the past month," the survey found.

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With 8% of Hawaiian respondents admitting to running red lights, the state was tied with Texas and Oregon for that bad habit.

Coming in at second, Oregon's drivers rank worst for refusing to yield to others and speeding in a school zone. Those behaviors were found in 5% and 4% of respondents, respectively.

"It doesn’t help matters that the state’s largest city, Portland, sits at No. 10 on Forbes Advisor’s ranking of the worst U.S. cities to drive in," Forbes Advisor reported. "Dragging down Portland’s standing: virtual buckets of precipitation and sluggish rush-hour traffic."

"Another black mark for Oregon motorists: 45% of drivers say they’ve speeded (less than 10 mph over the speed limit) in the past month," Forbes noted.

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